Index: llvm/lib/Support/ManagedStatic.cpp
===================================================================
--- llvm/lib/Support/ManagedStatic.cpp
+++ llvm/lib/Support/ManagedStatic.cpp
@@ -76,8 +76,12 @@
 
 /// llvm_shutdown - Deallocate and destroy all ManagedStatic variables.
 void llvm::llvm_shutdown() {
-  std::lock_guard<std::recursive_mutex> Lock(*getManagedStaticMutex());
+  std::recursive_mutex *mtx = getManagedStaticMutex();
 
+  mtx->lock();
   while (StaticList)
     StaticList->destroy();
+  mtx->unlock();
+
+  delete mtx;
 }